72451840

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 183113784

約数和(自身を除く): 110661944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 107, 115, 128, 160, 184, 214, 230, 256, 320, 368, 428, 460, 529, 535, 640, 736, 856, 920, 1058, 1070, 1280, 1472, 1712, 1840, 2116, 2140, 2461, 2645, 2944, 3424, 3680, 4232, 4280, 4922, 5290, 5888, 6848, 7360, 8464, 8560, 9844, 10580, 12305, 13696, 14720, 16928, 17120, 19688, 21160, 24610, 27392, 29440, 33856, 34240, 39376, 42320, 49220, 56603, 67712, 68480, 78752, 84640, 98440, 113206, 135424, 136960, 157504, 169280, 196880, 226412, 283015, 315008, 338560, 393760, 452824, 566030, 630016, 677120, 787520, 905648, 1132060, 1575040, 1811296, 2264120, 3150080, 3622592, 4528240, 7245184, 9056480, 14490368, 18112960, 36225920, 72451840]

約数ペア:

[(1, 72451840), (2, 36225920), (4, 18112960), (5, 14490368), (8, 9056480), (10, 7245184), (16, 4528240), (20, 3622592), (23, 3150080), (32, 2264120), (40, 1811296), (46, 1575040), (64, 1132060), (80, 905648), (92, 787520), (107, 677120), (115, 630016), (128, 566030), (160, 452824), (184, 393760), (214, 338560), (230, 315008), (256, 283015), (320, 226412), (368, 196880), (428, 169280), (460, 157504), (529, 136960), (535, 135424), (640, 113206), (736, 98440), (856, 84640), (920, 78752), (1058, 68480), (1070, 67712), (1280, 56603), (1472, 49220), (1712, 42320), (1840, 39376), (2116, 34240), (2140, 33856), (2461, 29440), (2645, 27392), (2944, 24610), (3424, 21160), (3680, 19688), (4232, 17120), (4280, 16928), (4922, 14720), (5290, 13696), (5888, 12305), (6848, 10580), (7360, 9844), (8464, 8560)]